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112577

Sigma-Aldrich

L-(−)-Malic acid

97%, optical purity ee: 99% (GLC)

Synonym(s):
L-Hydroxybutanedioic acid, (S)-(−)-2-Hydroxysuccinic acid
Linear Formula:
HO2CCH2CH(OH)CO2H
CAS Number:
Molecular Weight:
134.09
Beilstein:
1723541
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

97%

form

powder

optical activity

[α]20/D −27°, c = 5.5 in pyridine

optical purity

ee: 99% (GLC)

mp

101-103 °C (lit.)

SMILES string

O[C@@H](CC(O)=O)C(O)=O

InChI

1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1

InChI key

BJEPYKJPYRNKOW-REOHCLBHSA-N

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General description

L-(-)-Malic acid is an organic acid that is commonly found in wine. It plays an important role in wine microbiological stability.

Application

L-(-)-Malic acid is a selective α-amino protecting reagent for amino acid derivatives. It is also a versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1α,25-dihydroxyvitamin D3 analogue, and phoslactomycin B.

Packaging

25, 100 g in poly bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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